Nanoinformatics TRIZ Cases

Seed-layer-guided merged epitaxy is cut from the backside to separate FET source/drain regions and reduce parasitic capacitance.

Selective heat treatment decomposes polymer on one trench surface and cross-links it on another, enabling precise semiconductor isolation with minimal residue.

Patterned hard-mask oxidation creates different gate oxide thicknesses in logic and I/O nanostructure FET regions to control leakage and power.

A shared semiconductor and sacrificial layer stack enables GAA and FinFET fabrication on one substrate, cutting extra epitaxy steps, cost, and yield loss.

Crystalline and amorphous hardmask layers preserve etch profiles and support isolation structures that reduce GAA channel leakage.

A fluorine and trimethylamine gas mix etches silicon more uniformly, reducing by-products, recess roughness, and rectangularity loss.

CMP, etching, and nitride-oxide layering enable dummy gate replacement while preventing source/drain contact defects in nano-sheet FETs.

A recessed stress-inducing layer boosts FinFET carrier mobility while limiting fin warping through controlled depth and annealed material placement.

Low-temperature oxidation and annealing form SiGe channels in GAA nanosheets while limiting dopant diffusion at source/drain junctions.

Bottom-up epitaxy in tapered trenches forms void-free source/drain regions while preserving gate formation margin and lowering capacitance.

Fluorination builds a gate dielectric fluorine gradient that passivates oxygen vacancies, lowers spacer k-value, and stabilizes GAA transistor thresholds.

Backside and upper separation structures improve isolation in scaled MOSFETs, reducing leakage while supporting reliability and productivity.

Sequential flowable and CVD dielectric deposition creates void-free fin isolation, preventing source/drain shorting at tighter fin spacing.

A binary metallic alloy in source-drain trenches induces channel stress to improve conduction uniformity and cut parasitic resistance.

A co-doped diffusion barrier between source/drain regions and the substrate limits dopant spread, preserving low resistance and uniform threshold voltages.

A SiGe temporary spacer enables selective air-gap formation in nanostructure transistors while protecting dielectric spacers and metal gates.

Segmented epitaxial bridge source/drain layers cut GAA capacitance and switching delay while a bottom dielectric helps limit leakage.

A vertically narrowed gate profile cuts source/drain overlap to reduce leakage current and parasitic capacitance in scaled FinFET and GAA devices.

A thin metal oxide between work function layers helps GAA gate stacks cut parasitic capacitance while supporting reliable fine-pattern fabrication.

A self-aligned gate isolation fin with a low-k core and high-k shell improves multigate isolation while enabling tighter active-area spacing.

A superlattice under source/drain regions preserves channel strain while suppressing substrate leakage in GAA transistor fabrication.

A two-stage annealed amorphous Ge source forms a strain-relaxed SiGe nanowire region that cuts defects and dislocations while improving mobility.

Sequential n-type then p-type work function deposition preserves vertical space for NFET threshold tuning in multi-gate GAA devices.

Dielectric wall and helmet structures cut gate-to-source/drain capacitance in stacked-channel GAA transistors while preserving drive current.

Lower-temperature, higher-pressure core epitaxy improves GAA source/drain growth uniformity, cutting voids, defects, and resistance.

Backside gate etch-back removes excess gate material after substrate turnover, cutting coupling capacitance caused by STI oxide loss.

Vertically alternating NFET and PFET channels shrink CMOS inverter area while preserving current balance through selective etching.

Vertical SiGe/Si epitaxy defines sub-10 nm nanosheet channels beyond lithography limits while preserving electrostatic control at tighter pitch.

ALD tungsten nitride fill plus nitrogen plasma treatment creates seamless multi-gate structures and lowers contact resistance during gate recess.

Etched-back sidewall spacers shrink source/drain-channel contact area, enabling controlled epitaxial growth while reducing parasitic capacitance.

Angled spacer etching around dummy gates enlarges the metal gate process window and helps prevent shorting in GAA transistor fabrication.

Catalyst layers with SAMs, accelerators, or suppressors enable super-conformal metal filling in high-aspect ratio openings with low resistance.

Phosphorus-doped STI liner and fill layers equalize etch rates after annealing, improving isolation profile uniformity and reducing leakage.

Segmented metal gate formation uses self-aligned patterning and selective deposition to control GAA gate height and curb short-channel effects.

Asymmetric source/drain epitaxy with recessed dielectric features expands metal landing area and lowers resistance in scaled FinFETs.

A bottom isolation feature under the channel and source/drain regions suppresses leakage while preserving strong gate control in multi-gate fabrication.

Selective etching forms bottom dielectric isolation beneath GAA FET channels to curb sub-channel leakage and improve device reliability.

An hBN monolayer shields ultrathin semiconductor channels during PEALD, enabling high-k gate dielectrics with high mobility and heat dissipation.

In-situ fluorine-free tungsten on a silicon cap lowers multigate gate resistance and limits oxidation for tighter threshold voltage control.

Gate bars added in STI isolation regions support multiple gates, reducing peeling, bending, collapse, and shorting in GAA fabrication.

A dopant-rich transition layer plus rapid thermal and laser anneal lowers Schottky barrier height and source/drain contact resistance.

Sculpted fin oxidation forms released nanowire channels that let GAA FET gates fully surround the channel and suppress short-channel effects.

A barrier layer between n-type and p-type work function metals preserves layer composition and improves threshold voltage tuning in nano-FET gates.

Alternating semiconductor stacks and epitaxial trench fill combine GAA nanosheets with FinFETs to improve CMOS scaling and gate control.

Self-aligned dielectric and metal gate isolation improves fin alignment and critical dimension uniformity for tighter cell height and CPP scaling.

Air gaps formed beneath nanostructure FET source/drain regions cut fringing capacitance and leakage current while supporting tighter integration.

Sequential n-type then p-type work function layers fit stacked GAA channels and enable threshold voltage tuning with less process-control burden.

Selective epitaxial growth shapes source/drain inner sidewalls near the gate spacer to preserve MOSFET electrical reliability at smaller nodes.

Low-temperature boron-doped SiGe epitaxy cuts source/drain contact resistance while preserving channel strain in fin and GAA transistors.